La Republica newspaper, July 27, 2017
Read more: International holding companies to invest in Colombia – Urgent revision required
http://www.larepublica.co/obligaci%C3%B3n-de-declarar-para-no-residentes_513591
http://www.larepublica.co/beneficios-laborales-fiscalmente-gravados_520299
http://www.larepublica.co/retenci%C3%B3n-en-la-fuente-sobre-la-venta-de-inmuebles_501286